APA (7th ed.) Citation

U.S. Fish and Wildlife Service, National Wetlands Inventory (U.S.), & Geological Survey (U.S.). Water Resources Division. (2004). Wetlands mapper. U.S. Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service, National Wetlands Inventory (U.S.), and Geological Survey (U.S.). Water Resources Division. Wetlands Mapper. [Washington, D.C.]: U.S. Fish and Wildlife Service, 2004.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service, et al. Wetlands Mapper. U.S. Fish and Wildlife Service, 2004.